7 Best Smartwatches with Temperature Sensor?

Smartwatches are unquestionably essential to keeping track of your health and fitness. They’ve been providing incredibly accurate sensors for monitoring like oxygen levels in the blood, heart rate, blood pressure, and many more.

Wearable thermometers, such as smartwatches, are becoming more common because of the built-in temperature sensing technology. It enables you to keep track of your health by measuring your body or skin temperature.

However, finding a reliable smartwatch with a built-in thermometer is quite challenging. To help you out, we’ll look at the seven best smartwatches with a temperature sensor that you should consider.

So, without further ado, let’s get started.

In A Hurry! Here Are Our Top Picks…

Top 7 Best Smartwatches with Temperature Sensor

Following are the seven best smartwatches with temperature sensors:

  • Garmin Fenix 6X Pro
  • Polar Grit X
  • Fitbit Sense Advanced Smartwatch
  • Garmin Forerunner 645 Music
  • Amazfit GTS 2e Smartwatch
  • Blumelody Smart Watch
  • Fitbit Charge 5

1. Garmin Fenix 6X Pro

Garmin Fenix 6X Pro

Product Specifications

Brand Garmin
Weight 3.2 Ounces
Display 1.4 inches
Human Interface Input Touchscreen
Battery Life 21 days
Color Black

If you are looking for a smartwatch with a built-in temperature sensor, then Garmin Fenix 6X pro is a perfect choice. This smartwatch is the ideal blend of smartwatch, fitness, and sports functions. 

When it comes to design, this smartwatch has a 1.4-inch screen that is large enough to read even in direct sunlight. Additionally, its screen is protected by sapphire crystal glass, making it scratch-proof.

Furthermore, it has met US military standards for thermal, shock, and water resistance. In addition, the watch’s strap is made of silicone, which is both durable and high-quality. 

For measuring body temperature, the Garmin Fenix 6X Pro also performs well. Besides detecting the body’s temperature, this device is also the best at determining the outside air temperature.

Remember: When checking the temperature, avoid wearing your watch on your wrist because the heat from your skin may affect the accuracy of the reading.

Other Features

Garmin Fenix 6X Pro includes built-in GPS to track your distance, pace, and speed. It also comes with maps and route directions for tracking outdoor activities like jogging, hiking, and cycling.

Additionally, this GPS smartwatch incorporates an optical heart rate tracker that provides the most accurate data on your heart rate and calorie burn. Further, the pulse OX will assist you in monitoring your blood oxygen saturation.

With the Garmin Pay feature, you can instantly pay your utility bill and even make purchases with Garmin Pay.

The only flaw we could find with this smartwatch is the high pricing. Except for this, it has nearly all of the basic features you’ll need to have a hassle-free experience.

In terms of battery life, this smartwatch can last for 21 days in smartwatch mode and 15 hours in GPS mode. If you purchase the solar version, you may extend the watch’s battery life by charging it with solar power.

Final Thoughts

The Garmin Fenix 6X Pro is widely regarded as the best smartwatch with a temperature sensor on the market. Besides the temperature sensor, it includes various other reliable sensors that help maintain your body healthy. It is undoubtedly the best smartwatch with a body temperature sensor to buy in 2022.

Key Features

  • Works with iPhones and Android phones
  • Interchangeable bands
  • Built-in GPS
  • Heart rate monitor
  • Body temperature sensor
  • Water-resistant for up to 100m
  • Garmin Pay
  • Rugged design
  • Built-in GPS
  • Accurate sensors
  • Contactless Payments
  • Excellent battery life
  • Pricey

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2. Polar Grit X

Polar Grit X

Product Specifications

Brand Polar
Screen Size 1.2 Inches
Weight 64 Grams
Screen Material Gorilla Glass
Battery Life 7 days
Water Resistance Level 100 Meters
Built-in Temperature sensor True

The Polar Grit X is a multi-sport watch designed for people who love running, hiking, mountain biking, cycling, etc. This timepiece has several impressive features and performs admirably.

The Polar Grit X boasts a 1.2-inch always-on display, so it’s easy to see in any light condition. It has a silicone strap that is durable and comfortable to use for extended periods.

In addition, the smartwatch has most of the premium features and watch faces that you’d expect from a luxury watch. Hence, you can customize the dial to meet your specific needs.

Furthermore, this device is built to last for a long time. It boasts a durable stainless steel case with a diameter of 47mm. For extra durability, the screen is protected by gorilla glass against scratches.

This watch is equipped with a temperature sensor that is highly accurate in delivering the information you need. Using a temperature sensor, you can keep tabs on how much exertion you’re putting in and avoid dangerously high temperatures.

Moreover, this feature is beneficial for detecting fever and hyperthermia.

Other Features

Besides the temperature sensor, it includes an altimeter and compass for use when exploring outside. Additionally, the watch has various functions aimed toward outdoor enthusiasts, such as Fuelwise, Komoot route assistance, and Hill splinter.

Also, Polar Grit X contains an automatic overnight recovery tracker. It monitors your stress levels as well as your sleeping comfort.

Like Fenix 6X Pro, the watch is water-resistant to a depth of 100 meters. As a result, it’s perfect for aquatic activities like swimming and showering.

Moreover, the watch features a seven-day battery life. As a result, you can go up to a week without charging your smartwatch. Additionally, it has a GPS battery life of up to 40 hours, which is remarkable.

Final Thoughts

Overall, the Polar Grit X is the best temperature-sensing multi-sport smartwatch. If you’re an athlete or a fitness fanatic, this is the perfect option. Plus, it offers a good battery life, which is a huge advantage.

Key Features

  • AMOLED display
  • Military level durability
  • Corning Gorilla Glass
  • FuelWise Assistant
  • Training load pro
  • Music control
  • Built-in GPS
  • Water resistance rating of 100 meters
  • Vivid display
  • Comfortable to wear
  • Military-grade durability
  • Lightweight
  • Accurate temperature sensor
  • Impressive battery life
  • Expensive
  • No music storage

Buy on Amazon

3. Fitbit Sense Advanced Smartwatch

Best smartwatch with body temperature

Product Specifications

Brand Fitbit
Compatibility Android, iOS
Display 1.5″ AMOLED
Internal Storage 4GB
IP rating 5ATM
Battery Life 6+ Days

Fitbit is undoubtedly a well-known manufacturer of fitness trackers and smartwatches. So, if you want a smartwatch with a built-in temperature sensor, Fitbit is your best bet.

It features a 1.59-inch AMOLED display that makes it simple to read the screen. The side bezel is made of stainless steel, giving the device a premium look and feel. Further, it feels luxurious and comfortable because of its 45.9-gram weight.

Apart from aesthetics, the Sense is equipped with all the sensors needed to monitor health metrics, such as sleep optimization, heart rate monitoring, electrocardiogram (ECG), skin temperature measurement, etc.

When it comes to measuring skin temperature, Fitbit Sense is the best at providing you with a readout of your core body temperature (the temperature inside the body). This is important because most smartwatches just record your skin temperature, which varies based on the outside temperatures such as summers and winters.

Additionally, the Sense will continue to record your skin temperature if you add a reference point straight into the Fitbit App. It will, however, be able to compare skin temperature fluctuations with changes in core temperature using their algorithms.

Other Features

Besides the fitness tracking features, Fitbit sense has a built-in microphone and speaker. Additionally, it is helpful to answer phone calls and send text messages without taking the phone out of your pocket.

It’s also water-resistant to a depth of 50 meters. As a result, you don’t have to put it off when you wash your hands, bathe, or swim. However, it is not ideal for diving.

Unfortunately, using this smartwatch may result in GPS complications, which is the primary drawback. Secondly, the price of this fitness tracker is a little high. You should only buy it if you have a lot of money.

Aside from that, the battery life on this watch is incredible. It has an average battery life of six days or more, and GPS allows you to use this smartwatch for up to 12 hours at a time. However, it has fast charging capabilities and can be fully charged in just 12 minutes, which is a plus.

Final Thoughts

Overall, Fitbit Sense is an excellent fitness tracker with a wide range of health and fitness-related functions. It has a precise temperature sensor that keeps you informed of your current body temperature. In addition, the battery lasts for seven days, which is incredible!

So, if you’re looking for a Fitbit smartwatch with a thermometer, look no further.

Key Features

  • AMOLED display
  • Built-in GPS
  • Skin temperature
  • Electrodermal activities
  • NFC
  • Stress tracking
  • Waterproof up to 50 meters
  • Attractive design
  • Lightweight
  • Stress tracking
  • Reliable GPS
  • ECG
  • Long battery life
  • GPS connectivity issues
  • Pricey

Buy on Amazon

4. Garmin Forerunner 645 Music


Product Specifications

Brand Garmin
Compatibility Android, iOS
Display 1.2 inches
IP rating 5ATM
Battery Life 7 Days
Color Black

The Garmin Forerunner 645 is a highly accurate multi-sport watch featuring a temperature sensor. It’s an excellent choice for triathletes who want to check their body temperature for regular intervals.

This smartwatch is a stunning piece of technology designed with elegance and performance in mind. The watch has a 1.2-inch screen, which allows you to see all of the information at once.

 Further, you’ll also get a Garmin Chroma display with transflective memory-in-pixel (MIP), making it easy to read the dial even in bright sunshine. The watch is exceptionally comfortable and lightweight, thanks to its 42g weight.

Garmin Forerunner 645 has built-in temperature sensors that can monitor your body temperature. It will give you an idea of how quickly your body’s temperature changes during a strenuous workout.

Unfortunately, there have been numerous complaints about the accuracy of its temperature readings. However, in order to acquire the most accurate temperature measurement, take the watch off your wrist and wait 20 to 30 minutes.

Besides showing the temperature, the watch can measure heart rate and sync up to 200 hours of activity data with the Garmin community.

Other Features

In addition to temperature monitoring, this watch is an excellent purchase for runners. It helps track your ground contact time, stride length, vertical ratio, oscillation, balance, and pace.

With this smartwatch, you’ll always have access to your favorite music. Furthermore, you can easily save up to 500 songs in a smartwatch, thanks to the vast storage space. 

Other features include the ability to conduct contactless payments via Garmin Pay, which is a big plus. It’s also compatible with both Android and iOS devices!

Unfortunately, the watch isn’t cheap, so you’ll need to fork over a little more money to get this smartwatch.

The watch is also suitable for showering and swimming thanks to its water-resistant rating of 50 meters or 5ATM.

Like previous Garmin watches, the Forerunner 645 has a long-lasting battery. In smartwatch mode, it has an average battery life of up to seven days. However, it runs for 5 hours in GPS mode, which is impressive. 

Final Thoughts

Overall, the Forerunner 645 is the best mid-range smartwatch with a temperature sensor. In addition to its long battery life and accurate temperature sensor include a wide range of helpful features for those who want to stay in shape.

Key Features

  • GPS
  • NFC contactless payment
  • Music support
  • Advance running dynamics
  • 5 ATM water resistance
  • 7 Days battery life
  • Sporty appearance
  • Built-in GPS
  • Premium fitness features
  • Easy to use
  • Lightweight
  • Little bit pricey

Buy on Amazon

5. Amazfit GTS 2e Smartwatch

Amazfit GTS 2e Smartwatch

Product Specifications

Brand Amazfit
Compatibility iOS, Android
Display 1.65″
Built-in GPS Yes
IP rating 50 meters
Battery Life 14 Days
Color Obsidian Black

Amazfit is one of the famous brands of smartwatches that delivers the best affordable smartwatches on the market right now. The Amazfit GTS 2e smartwatch is a stylish and appealing timepiece. The Amazfit GTS 2e has a stunning look, but it also has unique functions.

The GTS 2e boasts a sleek rectangular design and a 1.65-inch display that is more than enough for viewing. In addition, the AMOLED screen gives this smartwatch a high-end appearance and feel.

The bezel is composed of durable aluminum alloy. Its screen is protected by 2.5 D curved glass to maximize its strength, making the watch scratch-resistant.

Additionally, it includes more than 50 watch faces, allowing you to create your unique look.

One of the major selling factors of this device is its skin temperature sensor. Since it measures your body temperature, you will be able to differentiate between varying degrees of temperature.

The best thing about this temperature tracking watch is that it continuously monitors your temperature, not only at night. Hence, it helps in the detection of exact temperature variation. Plus, this feature helps in the monitoring of the fever.

Besides temperature tracking, having a GPS in this affordable smartwatch is a huge plus. You can keep track of your jogging, walking, cycling, and other activities by recording their pace, speed, and distance.

It is also a health tracker that monitors your steps, distance, calorie consumption, sports activities, and sleep patterns. In addition, there is a Spo2 monitor, a PAI health evaluation system, a stress tracking system, and many more. 

Other Features

Interestingly, you’ll get access to 90 different sports modes that track your various indoor and outdoor activities.

You’ll be able to receive notifications and messages right on your wrist with the Amazfit Smartwatch. It can also notify you of incoming phone calls and texts which is a huge perk.

It also features a 50-meter (5-ATM) water resistance rating, thus making it ideal for handwashing, bathing, and swimming.

Furthermore, the watch offers a 14-day average battery life. But under heavy use, it lasts for seven days.

Final Thoughts

Amazfit GTS 2e is an excellent option for people looking for a cheap smartwatch with a thermometer. Elegant design, stylish appearance, accurate temperature sensor, and good battery life are all the major hallmarks of this device.

No doubt, it is the best temperature smartwatch for under $120.

Key Features

  • Always-on display
  • 5ATM water-resistant
  • PAI Health Assessment System
  • 24/7 heart rate monitor
  • Music storage
  • 90 built-in sports modes
  • 14-day battery life
  • Sleek design
  • Durable construction
  • Comfortable
  • Simple to use
  • Budget-friendly
  • Long battery life
  • Lack of third-party app compatibility

Buy on Amazon

6. Blumelody Smart Watch

Blumelody Smart Watch

Product Specifications

Brand Blumelody
Material TPU
Display 0.96 inches
Human Interface Input Touchscreen
IP rating IP67
Battery Life 5 Days
Color Black

If you’re seeking a fitness tracker that can monitor your body temperature, Blumelody is the best option. By using this low-cost fitness tracker, you can have a better picture of your overall health and fitness.

In terms of appearance, this smartwatch features a 0.96-inch colored display so that you won’t have any problems with viewing. It’s composed of high-quality plastic making the watch long-term durable.

In addition, the TPU straps are pretty gentle on the skin. The TPU materials used in these straps are sweatproof, so you won’t feel any irritation when wearing them.

Other than being attractive and long-lasting, this smartwatch is equipped with various sensors that provide more precise data on your health. It has sensors like a heart rate monitor, blood pressure monitor, and SPO2 monitor.

In addition, you receive a body thermometer, which is unusual at this price point. A digital thermometer measures your body temperature in real-time in both Celsius and Fahrenheit to provide you with accurate health information.

Remember: It’s best to put it on the forehead to calibrate temperature for the most accurate results.

Other Features

In addition to being an affordable fitness tracker, this device has a slew of other valuable features.

Smart notifications allow you to receive all of the crucial alerts on your smartwatch without checking your phone.

You can also take fantastic images with the remote camera function. Plus, it features a sedentary reminder to keep you active throughout the day.

Unfortunately, the device does not save your past data, which is a significant drawback. Also, it doesn’t have a built-in GPS, but it relies on your smartphone’s GPS to accomplish its work correctly.

Aside from that, charging the smartwatch only takes 1.5 hours, giving you a battery life of 5 days, which is commendable at this price point.

Furthermore, Blumelody Fitness Tracker has an IP67 waterproof certification so that you can use it for hand washing and showering, but swimming is not recommended.

Final Thoughts

Overall, the Blumelody fitness tracker is the best budget fitness tracker with a temperature sensor under $50. Despite its low price, this is a high-performance watch with accurate sensors. So, if you’re on a tight budget, this device is a good investment.

Key Features

  • IP67 waterproof certified
  • Remote camera
  • Smart notifications
  • Sedentary Reminder
  • Sleep tracking
  • Five days battery life
  • Stylish design
  • Bright display
  • Built-in thermometer
  • Heart rate monitoring
  • Comfortable to wear
  • Affordable
  • Lacks the history of fitness and health stats
  • No GPS

Buy on Amazon

7. Fitbit Charge 5

fitbit charge 5

Product Specifications

Brand Fitbit
Weight 29 Grams
Display 1.4 inches, AMOLED
IP Rating 50m
Battery Life 7days+
Color White

Last but not least, Fitbit Charge 5 is another great fitness tracker with an in-built temperature sensor. It offers all the features you’d expect from a tracking gadget for a fraction of the price.

One of the most striking features of the Fitbit Charge 5 is its 1.04-inch AMOLED touchscreen display. The bezels of the tracker are more like the Fitbit Sense, and it comes in an aluminum frame that makes it look more durable. Additionally, Corning Gorilla Glass 3 protects the screen from scratches.

The Fitbit Charge 5 also comes with a variety of watch faces so that you may change the look of the dial to match your attire.

The skin temperature sensor is the most helpful feature of this fitness tracker. It monitors changes in your skin temperature and provides real-time feedback during strenuous exercise.

In addition to the temperature sensor, it does have a heart rate monitor, SpO2, stress monitors, sleep trackers, and many more.

Other Features

Fitbit Charge 5 has many additional useful features for keeping track of your daily activities, whether you’re at home or on the go. It has a built-in GPS that keeps track of your mileage, pace, and speed. Additional features include Active Zone Minutes, Advanced sleep tracking, 20+ exercise modes, etc.

Further, the watch is water-resistant to a depth of 50 meters, so you may wear it while bathing or swimming.

In addition, Fitbit Pay is supported so that you may shop at your favorite stores without having to worry about your wallet.

In terms of battery life, the Charge 5 boasts an impressive 7+ day battery life, which is a huge benefit.

Final Thoughts

All in all, the Fitbit Charge 5 is a must-have companion for a health-conscious fanatic. In addition to the built-in temperature sensor, it includes essential sensors to track your heart rate, SpO2, stress, sleep, and more. 

Thus, for people on a tight budget, this tracker is the best buy for under $150.

Key Features

  • AMOLED display
  • Built-in GPS
  • Accurate temperature sensor
  • ECG sensor
  • Fitbit Pay
  • Water resistance rating of 50 meters
  • Battery life of 7 days
  • Vivid display
  • Numerous health tracking features
  • Built-in GPS
  • Reliable sleep tracking
  • Budget-friendly
  • Excellent battery life
  • Lacks onboard music storage

Buy on Amazon

Best Smartwatch with Temperature Sensor – Buyer’s Guide

If you want a perfect smartwatch with a temperature sensor, you should take the following elements into account:

1. Design

When purchasing a smartwatch, a buyer should consider its design because some individuals prefer large displays while others are fine with modest ones. So it is essential to buy a smartwatch according to your preferences.

Also, make sure the smartwatch you pick is comfortable so you can wear it for long periods.

2. Durability

Quality and durability are other crucial factors to consider when purchasing a smartwatch with a temperature sensor. Watches with a high level of durability can resist any situation without being damaged.

As a result, it’s essential to ensure that your temperature watch is built of durable material.

3. Accuracy 

Thirdly, the accuracy of any device is also an essential factor. Your investment is completely wasted if the equipment isn’t accurate. Ensure the equipment you buy has an accurate or dependable temperature sensor to get correct findings and information.

4. Other Features

In addition to tracking your body temperature, make sure that your watch offers additional features. Most devices include pedometers, calorie counters, sleep monitors, reminders, and heart rate monitors, which are necessary for good health.

5. Water Resistance

It is essential to have a watch which tolerates water pressure without being destroyed. However, because the watch is waterproof, you won’t have to take it off while working in the water.

As a result, ensure that your watch includes a water-resistant feature.

6. Battery Life

The last thing is a battery. When purchasing a smartwatch, it is vital to consider the device’s battery life. In our opinion, a watch with five days of battery life is an excellent piece to pick.


To conclude, it is all about the seven best smartwatches with temperature sensors. All of the items listed in this article are pretty functional and precise when it comes to monitoring your body temperature. As a result, you can confidently select any smartwatch from this list.

In our opinion, the best smartwatch with a temperature sensor is the Garmin Fenix 6X Pro. In terms of accuracy, it’s an excellent value for the money. However, the Fitbit Sense Advanced Smartwatch is the finest choice if you’re on a tight budget. Anyhow, you can pick the best one for your budget and needs.

We hope that this guide to the best smartwatch with a temperature sensor has benefited you in searching for the perfect smartwatch for your needs. If you have any questions about smartwatches, please leave them in the comment area below.

Thank you for reading!

Frequently Asked Questions (FAQs)

Which is the best affordable smartwatch with a temperature sensor?

The Blumelody Smart Watch is the most affordable smartwatch with a temperature sensor. Despite its low cost, it does an excellent job tracking your body’s core temperature.

Is Fitbit Charge 5 waterproof?

Yes, the Fitbit Charge 5 is water-resistant with 5 ATM ratings. You can use this fitness tracker for hand washing, showering, and swimming. However, it is not recommended for scuba diving or underwater activities since it could damage the fitness tracker.

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